Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Tug
ALEXANDER 3
MMSI 240733000 · Call sign SW 6137
Not yet on Master's MateType
Tug
Flag
GRCLength
38 m
Beam
11 m
Draft
5.6 m
Call sign
SW 6137
IMO
8903181
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in Greece, ALEXANDER 3 is a 38-metre harbour tug. Below, she has a beam of 11 m and a draft of 5.6 m. Her papers read MMSI 240733000, call sign SW 6137, IMO 8903181. Bring ALEXANDER 3 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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Built for boats that work — like ALEXANDER 3.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 03:57 UTC
Position
38.3167° N, 21.7748° E
Status
Under way (engine)
Speed
8.7 kn
Course
68°
Destination
PATRAS-GREECE
ETA
05-23 20:00 UTC
Working the Ionian Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put ALEXANDER 3 on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim ALEXANDER 3 and switch it all on
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About ALEXANDER 3
What kind of vessel is ALEXANDER 3?
ALEXANDER 3 is a Tug flagged to Greece.
Where was ALEXANDER 3 last seen?
ALEXANDER 3 was last reported in the Ionian Sea in Jun 2026 on public AIS.
What is ALEXANDER 3's MMSI?
ALEXANDER 3's MMSI is 240733000. Call sign SW 6137. IMO 8903181.
How big is ALEXANDER 3?
ALEXANDER 3 is about 38 m long, 11 m on the beam, drawing 5.6 m.
Is ALEXANDER 3 on the Master's Mate Safety Initiative Network?
Not yet. If ALEXANDER 3 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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